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Method and apparatus for system selection

  • US 5,983,092 A
  • Filed: 05/13/1997
  • Issued: 11/09/1999
  • Est. Priority Date: 05/17/1996
  • Status: Expired due to Term
First Claim
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1. A method of transferring an incoming call made to a mobile unit associated with a home communication system to said mobile unit located in a visited communication system, said method comprising the steps off:

  • at the home communication system, receiving an incoming call to said mobile unit;

    polling a plurality of communication systems accessible to said mobile unit and providing a service description to determine offered tariffs;

    selecting one of said plurality of communication systems according to said offered tariffs; and

    instructing said mobile unit to receive said incoming call on said one selected communication system.

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